Finding the Fourth Proportional to 1,660,919.22, 2,292,068.42 and 896,972.70
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Solution
The fourth proportional to 1,660,919.22, 2,292,068.42 and 896,972.70 is: 1,237,822.27
Step by Step Solution
- Step 1: Write the proportion equation
1,660,919.22 : 2,292,068.42 = 896,972.70 : x - Step 2: Convert to fraction form
1,660,919.22/2,292,068.42 = 896,972.70/x - Step 3: Cross multiply
1,660,919.22x = 2,292,068.42 × 896,972.70 - Step 4: Simplify right side
1,660,919.22x = 2,055,922,799,272.13 - Step 5: Solve for x
x = 2,055,922,799,272.13/1,660,919.22 - Step 6: Final answer
x = 1,237,822.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.